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 I am used to display small sets of data.  I look like a number line.

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Presentation on theme: " I am used to display small sets of data.  I look like a number line."— Presentation transcript:

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3  I am used to display small sets of data.

4  I look like a number line.

5  I have dots that mark each data point.

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8  I am measured.

9  I am collected.

10  I am used to create numeric displays.

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13  I can be used to display large quantities of data.

14  I use ranges instead of exact values.

15  My bars have to touch.

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18  I am in this class right now.

19  I am someone who understands how to make a line plot.

20  I am someone who can identify types of displays.

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22 Standard(s) MAFS.6.SP.2.4 - Display numerical data in plots on a number line, including dot plots, histograms, and box plots. (Box plots will be assessed with the next lesson) 4 I can create, read and interpret numerical displays of data including  Dot plots  Histograms  Box plots 3 I can create accurate numerical data displays given a set of data.  Dot plots  Histograms 2 I understand what makes a question a statistical question. (MAFS.6.SP.1.1) I can create accurate numerical data displays with the use of my notes/handouts with minimal assistance from my peers and/or teacher. 1 I can identify the type of numerical data display.  Dot plots  Histograms  Box plots I can explain how to create a line plot for a given set of data. (MAFS.5.MD.2.2)

23  Your goal is to be able to connect what you already know about statistics to new ways of displaying data.  By the end of this lesson you should be comfortable creating dot plot displays and histograms.  You should also be able to decide which display to use if you are given a set of data.

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25  I am used to display numeric data  I show each individual data point  I am generally used to show small sets of data.  Why do you think that I am used with small sets of data instead of large sets of data?  Is it impossible to use a dot plot for a large set of data?

26 Number of pets per student.

27  Step 1 : Organize your data  Step 2: Draw a horizontal line  Step 3 : Title your display  Step 4: Label your line with each value smallest to largest  Step 5: Plot your dots

28  You can organize data in different ways.  Put all of the data in order least to greatest. ▪ 5 3 6 4 2 5 7 becomes -> 2 3 4 5 5 6 7  Create a frequency table 2I 3I 4I 5II 6I 7I

29  It is important to look at your values so that you draw your line with enough room to put a dot for every occurrence in a data set.  If this is your paper the line near the middle represents a horizontal line.

30  Look at your data. The title should tell what data was collected.  Examples  Number of siblings  Number of pets

31  Label your line with each value smallest to largest (evenly space your values) 2 3 4 5 6 7

32  Make a dot above the value for each time the value occurs in your data. 2 3 4 5 6 7

33  Rule 1: Every data point must be shown  Rule 2: Horizontal line must be labeled  Rule 3: Labels must be evenly spaced  Rule 4: Dots should be uniform (same size, shape and distance apart)

34  I am used to display numeric data.  I use ranges to display data.  I am used to display large sets of continuous data.  How is a histogram different from a dot plot?  Why do you think a histogram used ranges to display data instead of each individual data point?  What do you think the phrase continuous data means?

35 ≤ ≤≤ ≤ ≤ Number of sodas a student drinks in a month.

36  Step 1 : Organize your data  Step 2: Draw your perpendicular lines  Step 3 : Title your display  Step 4: Label your lines  Step 5: Draw your bars.

37  You can organize data in different ways.  Put all of the data in order least to greatest. ▪ 5 3 6 4 2 5 7 becomes -> 2 3 4 5 5 6 7  Create a frequency table 2I 3I 4I 5II 6I 7I

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39  Look at your data. The title should tell what data was collected.  Examples  Height of all 7 th graders to the nearest quarter inch.  Length of every G rated movie that came out after 2005.

40 Number of times Florida resident visit Disney each year. 0 – 2 3-4 5-6 7-8 9-10 11-12 13-14 15-16 17-18 50 40 30 20 10

41 Number of times Florida resident visit Disney each year. 0 – 2 3-4 5-6 7-8 9-10 11-12 13-14 15-16 17-18 50 40 30 20 10

42  Rule 1 : Bars must touch  Rule 2: Bars must be the same width.  Rule 3: Both axis’ should be labeled.  Rule 4: Axis’ labels must be evenly spaced.  Rule 5: You must title your display.


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